14, 42 আৰু 77-ৰ লঘিষ্ঠ সাধাৰণ গুণিতক (LCM) হ'ল:
A308
B462
C154
D168
Answer & Solution
Correct answer: B. 462
1. মৌলিক উৎপাদকত বিশ্লেষণ কৰিলে: 14 = 2×7, 42 = 2×3×7, 77 = 7×11।
2. LCM-এ প্ৰতিটো মৌলিকৰ সৰ্বোচ্চ ঘাত লয়: 2 × 3 × 7 × 11।
3. = 462।
_উৎস: RRB Group D CEN-02/2018 PYQ, Q.8._
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